In this paper a preliminary list and characterization of endangered and threatened species o f the segetal flora found in the area of Kutno in 1992-1995, have been presented. The research was carried out using a cartogram ...

The paper presents a research carried out in the Łososina Valley in the Beskid Wyspowy Mts. on cereal and root-crops cultures in 1982-1984 and a similar research on cereal cultures in 1994-1995. The subject of both ...

Seventeen years of phytosociological observations (1977-1993) of cereal cultures in the same complex of fields in the Miechów Upland were used for this study. The region is characterised by the most intensive agriculture ...

The paper presents a preliminary list of rare and threatened segetal plants species in the Kampinos National Park. The list is based on floristical investigations which took place during 1994 and 1995. The following rare ...